Thanks for providing the excel sheet,
I need to know why does the n_dash_d1equations stands for or is needed to.
2nd, In case I have no dividened shall I place zero and keep all calculations as it is or the formulas will change?
3rd, This model is compatible for Forex option or I should use another one?

Sameer ji i wants to ask that is here any difference between tradable option pricing and actual greeks mathod calculated option pricing .
If yes than how can calculate accurate option pricing in excel .
Thanks